gh0strat | bf7837b00ecb0d8386bbe544144f741cb13bcb7d58177eea1df946e01fa50820

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/03/2025, 02:35

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General

Target

JaffaCakes118_5c9b6da2a27e3e5e615952fb51f20adc.dll
Size

148KB
MD5

5c9b6da2a27e3e5e615952fb51f20adc
SHA1

c095a66dc5478d9252bf40cfa383631cc957e175
SHA256

bf7837b00ecb0d8386bbe544144f741cb13bcb7d58177eea1df946e01fa50820
SHA512

c897f355f17646e67a4802205d0751587069e7cf5b7a1c5d44f90365d09fb31b21164b8b969101d7af0c727c36e3dafc8f0fd757b1b57c2df6c724c91552f2b5
SSDEEP

3072:K3Ue5ku6B6GnE8gONkvO4sHOKoTBftM/OuHPTl/o0:OUaku6BHpgXv/KoTBlM/OuHPF

Score

10^/10

gh0strat discovery rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2328-1-0x0000000010000000-0x0000000010027000-memory.dmp	family_gh0strat
behavioral1/memory/2328-3-0x0000000010000000-0x0000000010027000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rundll32.exe.txt	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	2328	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2976 wrote to memory of 2328	2976	rundll32.exe	30
PID 2328 wrote to memory of 2744	2328	rundll32.exe	31
PID 2328 wrote to memory of 2744	2328	rundll32.exe	31
PID 2328 wrote to memory of 2744	2328	rundll32.exe	31
PID 2328 wrote to memory of 2744	2328	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c9b6da2a27e3e5e615952fb51f20adc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c9b6da2a27e3e5e615952fb51f20adc.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 244
    3⤵
    - Program crash
    PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2328-0-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/2328-1-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/2328-3-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download